1/* 2 * FCntl.h -- faccess(), fcntl(), and open() mode flags 3 * 4 * Portions copyright American Telephone & Telegraph 5 * Used with permission, Apple Computer Inc. (1985,1988,1990,1992) 6 * All rights reserved. 7 */ 8 9#ifndef __FCNTL__ 10#define __FCNTL__ 11 12#ifndef __TYPES__ 13#include <Types.h> 14#endif 15 16/* 17 * For use by lseek(): 18 */ 19 20#ifndef __STDIO__ /* these defns exactly paralled in StdIO.h for fseek() */ 21#define SEEK_CUR 1 22#define SEEK_END 2 23#define SEEK_SET 0 24#endif 25 26/* 27 * faccess() commands; for general use 28 */ 29 /* 'd' => "directory" ops */ 30#define F_DELETE (('d'<<8)|0x01) 31#define F_RENAME (('d'<<8)|0x02) 32 33/* 34 * more faccess() commands; for use only by MPW tools 35 */ 36 37#define F_OPEN (('d'<<8)|0x00) /* reserved for operating system use */ 38 /* 'e' => "editor" ops */ 39#define F_GTABINFO (('e'<<8)|0x00) /* get tab offset for file */ 40#define F_STABINFO (('e'<<8)|0x01) /* set " " " " */ 41#define F_GFONTINFO (('e'<<8)|0x02) /* get font number and size for file */ 42#define F_SFONTINFO (('e'<<8)|0x03) /* set " " " " " " */ 43#define F_GPRINTREC (('e'<<8)|0x04) /* get print record for file */ 44#define F_SPRINTREC (('e'<<8)|0x05) /* set " " " " */ 45#define F_GSELINFO (('e'<<8)|0x06) /* get selection information for file */ 46#define F_SSELINFO (('e'<<8)|0x07) /* set " " " " */ 47#define F_GWININFO (('e'<<8)|0x08) /* get current window position */ 48#define F_SWININFO (('e'<<8)|0x09) /* set " " " */ 49#define F_GSCROLLINFO (('e'<<8)|0x0A) /* get scroll information */ 50#define F_SSCROLLINFO (('e'<<8)|0x0B) /* set " " */ 51#define F_GMARKER (('e'<<8)|0x0D) /* Get Marker */ 52#define F_SMARKER (('e'<<8)|0x0C) /* Set " */ 53#define F_GSAVEONCLOSE (('e'<<8)|0x0F) /* Get Save on close */ 54#define F_SSAVEONCLOSE (('e'<<8)|0x0E) /* Set " " " */ 55 56/* 57 * argument structures used by various faccess() commands 58 */ 59 60struct MarkElement { 61 int start; /* start position of mark */ 62 int end; /* end position */ 63 unsigned char charCount; /* number of chars in mark name */ 64 char name[64]; /* mark name */ 65} ; /* note: marker names may be up to 64 characters long */ 66 67#ifndef __cplusplus 68typedef struct MarkElement MarkElement; 69#endif 70 71struct SelectionRecord { 72 long startingPos; 73 long endingPos; 74 long displayTop; 75}; 76 77#ifndef __cplusplus 78typedef struct SelectionRecord SelectionRecord; 79#endif 80 81 82/* 83 * Mode values accessible to open() 84 */ 85#define O_RDONLY 0 /* Bits 0 and 1 are used internally */ 86#define O_WRONLY 1 /* Values 0..2 are historical */ 87#define O_RDWR 2 /* NOTE: it goes 0, 1, 2, *!* 8, 16, 32, ... */ 88#define O_APPEND (1<< 3) /* append (writes guaranteed at the end) */ 89#define O_RSRC (1<< 4) /* Open the resource fork */ 90#define O_ALIAS (1<< 5) /* Open alias file */ 91#define O_CREAT (1<< 8) /* Open with file create */ 92#define O_TRUNC (1<< 9) /* Open with truncation */ 93#define O_EXCL (1<<10) /* w/ O_CREAT: Exclusive "create-only" */ 94#define O_BINARY (1<<11) /* Open as a binary stream */ 95#define O_NRESOLVE (1<<14) /* Don't resolve any aliases */ 96 97#ifdef __cplusplus 98extern "C" { 99#endif 100 101/* 102 * function prototypes 103 */ 104int close(int); 105int creat(const char*); 106int dup(int filedes); /* OBSOLETE: fcntl(filedes, F_DUPFD, 0) is preferred */ 107int faccess(char*, unsigned int, long*); 108int fcntl(int, unsigned int, int); 109long lseek(int, long, int); 110int open(const char*, int, ...); 111int read(int, char*, unsigned); 112int unlink(char*); 113int write(int, const char*, unsigned); 114 115#ifdef __cplusplus 116} 117#endif 118 119/* 120 * fcntl() commands 121 */ 122#define F_DUPFD 0 /* Duplicate files (file descriptor) */ 123 124#endif __FCNTL__ 125